Re: [Mingw-users] Using msvcrtd and problems with liboldname...

[David F. <da...@sj...>]

Earnie Boyd wrote:

> Thanks for the patch.  I'll take a look at it but plan to do something 
> different.
>
> Earnie. 

Cool, I've sent the full patch to mingw-patches.
What is it you're planning to do instead?

David

>
>
> David Fraser wrote:
>
>> David Fraser wrote:
>>
>>> Hi
>>>
>>> Earnie recently helped me link my application with msvcrtd instead 
>>> of msvcrt.
>>> The final point reached was to add a -mmsvcrtd switch to the specs 
>>> file which then links with msvcrtd instead of msvcrt.
>>> Then, with a very simple C program, the files link only to msvcrtd, 
>>> not msvcrt.
>>> However, if open() or write() is referenced, the executables still 
>>> contain a link to msvcrt as well as msvcrtd.
>>> This didn't seem to be a problem, but now it does...
>>>
>>> Basically in our wxWindows app, when linking with msvcrtd, we get 
>>> errors trying to write to a file.
>>> These are reproducible in a very simple wxWindows program, linking 
>>> in the wx library statically.
>>> (They strangely do not occur when trying to do the same thing using 
>>> standard file functions).
>>> I suspect that the problem is that open(), write() are defined in 
>>> libmoldname, which links to
>>> msvcrt by default. This suspicion is confirmed by the fact that 
>>> using _open, _write doesn't link in msvcrt at all.
>>>
>>> The solution to me seems to be to build a libmoldnamed.a which links 
>>> to msvcrtd instead of msvcrt.
>>> Is this correct, and how should I go about doing it?
>>>
>>> Thanks
>>>
>>> David
>>
>>
>>
>> I've now managed to build libmoldnamed.a as described above and it 
>> fixes the problems I had completely.
>> I have attached a patch to runtime to build libmsvcrtd.a and 
>> libmoldnamed.a
>> Any comments, and what is the best way to submit such a patch?
>> I'm not sure how to do a patch for msvcrtd.def - it's the same as 
>> msvcrt.def, but a new file.
>> Also, I just used moldname-msvcrt.def to build libmoldnamed.a, should 
>> I rather make a separate
>> moldname-msvcrtd.def?
>>
>> David 
>